The Band Blog
Human technology in the service of alien communication.
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Problems of Multi-Agent Production
This is the bill-of-materials post for production multi-agent systems. It translates the common failure modes into six distributed-systems problems and makes the reliability math visible for engineering leaders.
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Conversations, Not Pipelines
The post rejects the industry default of pipelines and DAGs in favor of shared conversational spaces. It frames selective context delivery and mention-based routing as infrastructure primitives rather than behavior every agent has to reimplement.
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Agent Identity Is the Next Auth0
Agent identity is splintering across enterprise IAM vendors, protocol ecosystems, payment networks, and crypto rails. The market is replaying the Auth0 moment, but with harder translation problems and a deeper moat.
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The Session Identity Crisis
Every agent framework invents a different session model. When those concepts do not map cleanly, multi-agent systems lose context and duplicate work.
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The Agent Framework Trap
Framework choice feels like an application decision until agents built on different frameworks need to share state, messages, and lifecycle. The article frames this as an O(N^2) infrastructure problem, not a product team mistake.
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A2A Is a Protocol, Not a Platform
A2A gets the communication contract right, but it stops at delegation. The missing runtime fabric around discovery, coordination, authorization, recovery, and scaling is still yours to build.
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MCP for Agent-to-Agent Communication
MCP was built for agents talking to tools, not agents talking to each other. Token bloat, client-only initiation, and state hacks expose the gap.
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Five Claudes Are Not a Team
Codeband pairs Claude Code with Codex so the writer and the reviewer don't share a brain. Different model families pause at different forks - the disagreement is the signal.
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DAGs Are the Wrong Abstraction
You don't orchestrate your engineering team with a flowchart. So why are you orchestrating your agents that way? A case against DAGs for multi-agent coordination, and what works instead.
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